--- CMakeLists.txt.orig	2014-11-16 02:37:55.000000000 +0900
+++ CMakeLists.txt	2014-11-16 02:38:05.000000000 +0900
@@ -86,7 +86,7 @@
 endif(CMAKE_SOURCE_DIR STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
 
 add_subdirectory(graphics)
-add_subdirectory(doc)
+#add_subdirectory(doc)
 
 install(FILES rocs.appdata.xml DESTINATION ${SHARE_INSTALL_PREFIX}/appdata/)